Furnace Filter Air Flow Diagram

If you inspect your new air filter you may see an arrow that says air flow.

Furnace filter air flow diagram.

A 4 5 filter is usually best for people that need superior filtration. That s why it s so important to check and or change your filter every month. 4 inch vs 1 inch furnace filters. After getting past your furnace s filtration system the air is ready to be heated.

About press copyright contact us creators advertise developers terms privacy policy safety how youtube works test new features press copyright contact us creators. But there are situations when a thin air filter is better. The air is blown over the hot outside walls of a heat exchanger where it picks up heat and its temperature rises. When changing furnace filters many people wonder where the arrow of the filter should point towards.

This article includes a diagram of furnaces with different air flows and an explanation of when different configurations are appropriate. The 4 inch thick air filter has a definite advantage over the 1 filter in terms of. The arrow should always point in the direction the air is. Air flow configuration such as upflow downflow and horizontal is a common way to describe furnaces.

Turn off you hvac system while you are changing your air filter. At the same time a thicker filter is less restrictive and will allow for better flow of purified air.